Subject: Drawings of gunpowder manufacture from "A Treatise on Gunpowder" by Frederick Drayson
Description: Utensils used in the buildings connected with the Corning House working with Sir Wm Congreve's granulating machine (in the Breaking House, Press House and Corning House
Notes: See WABD 0901-343 and Negatives of Drawings held in WANBD-0001.
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